add woodpecker for auto-building + releases

.woodpecker.yml

@@ -0,0 +1,30 @@
+clone:
+  git:
+    image: woodpeckerci/plugin-git
+    settings:
+      depth: 1
+
+steps:
+  build:
+    image: node:current-bookworm-slim
+    commands:
+      - apt update
+      - apt install php php-symfony bash -y
+      - npm install pnpm
+      - cd mailpoet
+      - bash build.sh
+      - mkdir ../output
+      - mv mailpoet.zip ../output
+      - cd ..
+
+  release:
+    image: woodpeckerci/plugin-gitea-release:latest
+    settings:
+      base_url: https://git.cavemanon.xyz
+      api_key:
+        from_secret: releasesmithapikey
+      files: "output/"
+      prerelease: false
+      title: "${CI_COMMIT_TAG}"
+    when:
+      - event: tag